function getAjax()
{
	var AJAX;  
	try{AJAX = new XMLHttpRequest();}
	catch(e){try{AJAX = new ActiveXObject("Msxml2.XMLHTTP");} 
	catch(e){try{AJAX = new ActiveXObject("Microsoft.XMLHTTP");}
	catch(e){alert("Your browser doesn't support the features of our site, please consider upgrading!");return false;}}}
	return AJAX;
}
function remove(x)
{
	document.getElementById('dir_input_div').removeChild(document.getElementById(x));
}
function add_dir_input()
{
	var cnt=document.getElementById('dir_count').value;
	var a = getAjax();
	a.onreadystatechange = function(){
		if(a.readyState == 4){
			var dirAdd = document.createElement('div');
			dirAdd.setAttribute('id', 'dir_addition_'+cnt);
			dirAdd.innerHTML += a.responseText;
			document.getElementById('dir_input_div').appendChild(dirAdd);
			cnt++;
			document.getElementById('dir_count').value=cnt;
		}
	};
	a.open('GET', 'admin/add_dir_input.php?num='+cnt, true);
	a.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
	a.send(null);
}
function validate(f,x){
	var y=x.split(":");
    var z=0;
    for(var i=0;i<y.length;i++){
    	if(document.getElementById(y[i]).title=='required'){
        if(document.getElementById(y[i]).value=='' ||
        document.getElementById(y[i]).value==null ||
        document.getElementById(y[i]).value.length==0){
        	z++;
        }
        }
    }
    if(z>0){
    	alert("Please complete the required fields (*)");
    }else{
    	document.getElementById(f).submit();
    }
}